"Truth be told it's almost all about nutrition," Melissa says in one post.

On an episode of The View, Kim outlined how she changed her diet thanks to Melissa — saying that while in the past, she ate less in general and "absolutely no carbs," Melissa helped her "add healthy carbs and vegetables" back into her food rotation.

Melissa encourages a heavy dose of strength training, including leg days that involve deadlifts, calf raises, and squats.

And of course, glutes and hamstring exercises.

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Melissa's fitness journey started after she gave birth to her daughter seven years ago.

According to several Instagram posts that chronicle her transformation, Melissa was frustrated with her attempts at losing weight, post-baby. After trying several dieting programs, she landed on Insanity, which ultimately resulted in her losing 40 lbs, and "the beginning of love for [her]self."

These days, Melissa says she "rarely eats processed foods, dairy, butter, or fried foods." Though, she does treat herself to the occasional burger or cocktail.